Mock API

Everything you need

Design mock endpoints, generate OpenAPI specs, and learn API concepts. Everything you need to accelerate your API development workflow.

Everything You Need

Powerful tools to design, document, and understand APIs

Visually design your API endpoints and export as OpenAPI 3.0 spec in YAML or JSON.

Learn about REST, endpoints, mock servers, and other essential API concepts.

Generate realistic mock data for 20+ domains. Users, Products, Orders and more.

Three simple steps to create your API spec

Choose your HTTP method, define the path, and add parameters.

Set up request body, response schema, and example values.

Download your OpenAPI spec as YAML or JSON. Ready to use.

Understand the terminology behind modern APIs

A compact, URL-safe token format for securely transmitting information between parties.

A standard format for describing REST APIs, enabling documentation and code generation.

Simulating API behavior to enable development and testing without real backend services.

Cross-Origin Resource Sharing - A security mechanism that controls how web pages can request resources from different domains.